<!DOCTYPE html>
<html>
<head>
    <title>GH-711</title>
</head>
<body contenteditable="true">
<div contenteditable="false">div1</div>
<div>
    start div2
    <div contenteditable="false">false</div>
    end div2
</div>
<div contenteditable="false">div3</div>
</body>
</html>
